Compass
STD 22
Installation and Service manual
Compass STD 22
Compass STD 22 Compact
195
Edition: July 1, 2005 3646/110 --233.DOC010302
• NMEA 0183 Format ROT
ROT ⇒ Rate of Turn
$----ROT,x.x,A*hh<CR><LF>
Rate of Turn, degrees/minute, “--” bow turns to port
Staus A = Data valid
• NMEA 0183 Format HDT
HDT ⇒ Heading, True
$----HDT,x.x,T*hh<CR><LF>
reading, degrees True
• NMEA 0183 Format HDG
HDG ⇒ Heading, Magnetic
$----HDG,x.x,,,,*hh<CR><LF>
Magnetic sensor heading, degrees
• NMEA 0183 Format VTG
VTG⇒ Velocity Through Ground
Talker
$----VTG,x.x,T,x.x,M,x.x,N,x.x,K*hh<CR><LF>
Speed, km/hr
Speed, knots
Heading, degrees Magnetic
Heading, degrees True